Q. The main purpose of galvanising iron sheets is to
✅ Correct Answer: (C)
Prevent the action of water
Materials And Construction MCQs | Page - 6
Dear candidates you will find MCQ questions of Materials And Construction here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Which of the following metals in not used for coating of the base metal to guard it against corrosion?
✅ Correct Answer: (C)
Magnesium
Q. __________ is a donor impurity for semi-conductors.
✅ Correct Answer: (B)
Antimony
Q. Hydrochloric acid is stored in a __________ steel vessel.
✅ Correct Answer: (B)
Rubber lined
Q. Carbon percentage in medium carbon steel is around
✅ Correct Answer: (B)
0.35 to 0.5
Q. Addition of nickel to copper improves its
✅ Correct Answer: (D)
Hardness
Q. __________ is not a case hardening process.
✅ Correct Answer: (D)
Annealing
Q. Gunmetal and bronze are not corroded by the action of
✅ Correct Answer: (B)
Synthetic detergent solution
Q. Glass lined vessels are not used for handling/storing
✅ Correct Answer: (D)
Hydroflouric acid
Q. Copper is dissolved from its ore by H2SO4 in a percolation tank made of
✅ Correct Answer: (C)
Reinforced concrete lined with lead
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